body {
    margin: 0;
    color: #3c3c3c;
    font: 12px/1.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
li {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

ul,
li,
div {
    box-sizing: border-box;
}

img {
    width: 100%;
}

.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

.cover {
    min-width: 1200px;
}

.student-album {
    width: 1200px;
    margin: 80px;
}

.album-title {
    height: 100px;
    text-align: center;
}

.album-title h1 {
    position: relative;
    height: 65px;
    font-size: 35px;
    color: #000;
}

.album-title h1::before,
.album-title h1::after {
    content: '';
    position: absolute;
    top: 25px;
    width: 50px;
    height: 2px;
    background-color: #000;
}

.album-title h1::before {
    left: 310px;
}

.album-title h1::after {
    right: 310px;
}

.album-title p {
    font-size: 20px;
}

.student-album .album-wrap {
    /* margin-top: 50px; */
    /* border: 1px solid #000; */
}

.student-album .list-item {
    float: left;
    position: relative;
    width: 216px;
    height: 216px;
    margin: 20px 30px 0 0;
    border-radius: 50%;
    overflow: hidden;
}

.student-album .list-item:nth-child(5n) {
    margin-right: 0;
}

.student-album .list-item .mask {
    position: absolute;
    bottom: -60px;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, .6);
    color: #fff;
    text-align: center;
    transition: bottom .2s ease-in-out;
}

.student-album .list-item:hover .mask {
    bottom: 0;
}